Merge pull request #54 from osu-mist/feature/EV-203-serve-resource-hibernate

Allow serveResource to fetch employee at login
Fix NPE bug in getPermissionRule

EV-513

The getPermissionRule method checks that the status is not null before
using it.
Add some comment to clarify permission checking of null

EV-513

Clarifying why getPermissionRule checks for null status
Merge commit 'EV-513 archived permission bug' into liferay6